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Frequency changes in daily weather regimes over Southeastern South America

PI: Jean-Philippe Boulanger
Institution: Laboratoire de Météorologie Dynamique du C.N.R.S.
Additional Investigators: Gabriel Cazes, C. Roberto Mechoso
Abstract:
Objective: The project has two major objectives:
1- Evaluate the ability of coupled climate models in simulating spatio-temporal characteristics of weather regimes at 200mb during two seasons of major teleconnections with ENSO (OND and AMJ).
2- Describe the impacts of climate change scenarios onto such spatio-temporal characteristics

Simulations: Present-day control, 20C3M, SRES A2

Model Data required:
- Global daily means at 200 hPa of the following variables: geopotential height (zg200), eastward wind (ua250), northward wind (va250).
Publications:
  • Boulanger, J.-P., F. Martinez and E. C. Segura, Projection of future climate change conditions using IPCC simulations, neural networks and bayesian statistics.Part 1: Temperature mean state and seasonal cycle in South America. Climate Dynamics. In press. Abstract. Edit.
  • Boulanger, J.-P., F. Martinez and E. C. Segura, Projection of future climate change conditions using IPCC simulations, neural networksand Bayesian statistics.Part 2: Precipitation mean state and seasonal cycle in South America. Climate Dynamics. Accepted. Abstract. Edit.

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